[LCD] EC 207 LOGIC CIRCUIT DESIGN KTU MODAL QUESTIONS FOR SECOND YEAR S3 EC
[LCD] EC 207 LOGIC CIRCUIT DESIGN KTU MODAL QUESTIONS FOR SECOND YEAR S3 EC
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
ANALOG ELECTRONICS CIRCUITS
QUESTION PAPERS
PART A
(Answer All Questions)
1. Explain Comparator.
2. What is a Multiplxer and Draw the block diagram of a 4-input multiplexer.
3. Define the NOR gate through truth table.
4. State and prove Demorgans Theorem.
5. Define Universal gate.
PART B
(Answer Any Two Questions)
6. What is K-map and simplify the following
1) Y=∑m(0,1,2,5,13,15)
2) Y= A’B’CD + A’BCD’ + A’B’C’ + A’B’D’ + AC’ + B’
7. a) Simplify the following Boolean Expressions
1) AB’ + A’B + A’B’ AB
2) (AB + C) (AB + D)
b) Explain Duality Principle.
8. Design Combinational circuit for Octal to Binary Encoder.
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